v.(动词)

1. 开发
2. 发展，使发展，使发达，发达
3. 【摄】使显影 ，显影，冲洗，冲印
4. 详尽阐述
5. 使成长，成长 ，生长，发育
6. 发生， 使发生
7. 进化，使进化
8. 逐渐产生，逐渐养成
9. 开展
10. 形成
11. 进步，进展
12. 研制
13. 患（病）
14. 出现（问题）
15. 开始侵袭
16. 增强，壮大
17. 发挥
18. 加剧，加重
19. 加重

n.(名词)

1. 开发
2. 研制

v.(动词)

1. vt. & vi. 开发,发展 increase or become larger or more complete
2. vt. & vi. (使)成长,(使)发育,(使)发达 make (sb/sth) grow larger, fuller or more mature, organized
3. vt. & vi. (照相)冲洗,显影 treat with chemicals so that the picture can be seen

Verb:

1. make something new, such as a product or a mental or artistic creation;

   "Her company developed a new kind of building material that withstands all kinds of weather"
   "They developed a new technique"
   

2. work out;

   "We have developed a new theory of evolution"
   

3. gain through experience;

   "I acquired a strong aversion to television"
   "Children must develop a sense of right and wrong"
   "Dave developed leadership qualities in his new position"
   "develop a passion for painting"
   

4. come to have or undergo a change of (physical features and attributes);

   "He grew a beard"
   "The patient developed abdominal pains"
   "I got funny spots all over my body"
   "Well-developed breasts"
   

5. come into existence; take on form or shape;

   "A new religious movement originated in that country"
   "a love that sprang up from friendship"
   "the idea for the book grew out of a short story"
   "An interesting phenomenon uprose"
   

6. change the use of and make available or usable;

   "develop land"
   "The country developed its natural resources"
   "The remote areas of the country were gradually built up"
   

7. elaborate, as of theories and hypotheses;

   "Could you develop the ideas in your thesis"
   

8. create by training and teaching;

   "The old master is training world-class violinists"
   "we develop the leaders for the future"
   

9. be gradually disclosed or unfolded; become manifest;

   "The plot developed slowly"
   

10. grow, progress, unfold, or evolve through a process of evolution, natural growth, differentiation, or a conducive environment;

    "A flower developed on the branch"
    "The country developed into a mighty superpower"
    "The embryo develops into a fetus"
    "This situation has developed over a long time"
    

11. become technologically advanced;

    "Many countries in Asia are now developing at a very fast pace"
    "Viet Nam is modernizing rapidly"
    

12. cause to grow and differentiate in ways conforming to its natural development;

    "The perfect climate here develops the grain"
    "He developed a new kind of apple"
    

13. generate gradually;

    "We must develop more potential customers"
    "develop a market for the new mobile phone"
    

14. grow emotionally or mature;

    "The child developed beautifully in her new kindergarten"
    "When he spent a summer at camp, the boy grew noticeably and no longer showed some of his old adolescent behavior"
    

15. make visible by means of chemical solutions;

    "Please develop this roll of film for me"
    

16. superimpose a three-dimensional surface on a plane without stretching, in geometry

17. move one's pieces into strategically more advantageous positions;

    "Spassky developed quickly"
    

18. move into a strategically more advantageous position;

    "develop the rook"
    

19. elaborate by the unfolding of a musical idea and by the working out of the rhythmic and harmonic changes in the theme;

    "develop the melody and change the key"
    

20. happen;

    "Report the news as it develops"
    "These political movements recrudesce from time to time"
    

21. expand in the form of a series;

    "develop the function in the following form"
    

1.发展;成长;发育;生长
When somethingdevelops, it grows or changes over a period of time and usually becomes more advanced, complete, or severe.

e.g. As childrendevelop, some of the most important things they learn have to do with their sense of self...
在成长过程中，孩子学到的一些最重要的东西与他们的自我意识有关。
e.g. It's hard to say at this stage how the market willdevelop...
在现阶段，很难说市场将会如何发展。

developed
Their bodies were well-developed and super fit.
他们的身体发育得很好，非常健壮。

2.(问题或困难)出现，产生
If a problem or difficultydevelops, it begins to occur.

develop

e.g. A huge row has developed about the pollution emanating from a chemical plant.
一家化工厂造成的污染已经引发了激烈争论。
e.g. ...blood clots in his lungs, a problem which developed from a leg injury.
由腿伤引起的他肺部的血块

3.(国家从贫穷的农业国向富有的工业国)发展
If you say that a countrydevelops, you mean that it changes from being a poor agricultural country to being a rich industrial country.

e.g. All countries, it was predicted, woulddevelop anddevelop fast.
据预测，所有国家都会实现发展而且发展速度会很快。

4.（使）（企业或行业）发展；（使）扩展；（使）壮大
If youdevelop a business or industry, or if itdevelops, it becomes bigger and more successful.

develop的反义词

e.g. She won a grant todevelop her own business...
她赢得了一笔拨款，用以扩展自己的企业。
e.g. Over the last few years tourism here has developed considerably.
在过去几年里，这里的旅游业获得了相当大的发展。

developed
Housing finance is less developed in continental Europe.
住房金融业在欧洲大陆的发展程度较低。

5.开发(土地或地产)
Todevelop land or property means to make it more profitable, by building houses or factories or by improving the existing buildings.

e.g. Entrepreneurs developed fashionable restaurants and bars in the area.
实业家在这一地区建起了许多时尚的餐馆和酒吧。
e.g. ...the cost of acquiring or developing property.
获得或开发地产的成本

developed
developed land was to grow from 5.3% to 6.9%.
已开发土地的面积将从 5.3% 增加到 6.9%。

6.养成(习惯);获得(名声);形成(信仰)
If youdevelop a habit, reputation, or belief, you start to have it and it then becomes stronger or more noticeable.

e.g. She later developed a taste for expensive nightclubs...
她后来逐渐变得喜欢去消费高昂的夜总会。
e.g. Mr Robinson has developed the reputation of a ruthless cost-cutter.
大家都知道鲁宾逊先生在降低成本上毫不手软。

7.（使）提高;（使）加强
If youdevelop a skill, quality, or relationship, or if itdevelops, it becomes better or stronger.

e.g. Now you have an opportunity todevelop a greater understanding of each other...
现在你们有一个好机会，可以大大增进对彼此的了解。
e.g. ...weekly workshops that are designed todevelop acting and theatre skills...
为了提高表演和舞台技巧而设的每周一次的培训班

developed
...a highly developed instinct for self-preservation.
很强的自我保护意识

8.患(病);得(病)
If youdevelop an illness, or if itdevelops, you become affected by it.

e.g. The test should identify which smokers are most prone todevelop lung cancer...
这项检查应该可以确认哪些吸烟者更容易得肺癌。
e.g. A sharp ache developed in her back muscles.
她后背的肌肉疼得厉害。

9.发生(故障等)
If a piece of equipmentdevelops a fault, it starts to have the fault.

develop是什么意思

e.g. The aircraft made an unscheduled landing after developing an electrical fault.
飞机由于发生电力故障而作了临时降落。

10.研制(新产品)
If someonedevelops a new product, they design it and produce it.

develop的反义词

e.g. He claims that several countries have developed nuclear weapons secretly.
他声称有几个国家已经秘密研制出了核武器。
e.g. ...a computer system specially developed for the Coastguard service.
专为海岸警卫队研发的计算机系统

11.阐释(想法、理论、故事或主题)；（使）展开；（使）完善
If youdevelop an idea, theory, story, or theme, or if itdevelops, it gradually becomes more detailed, advanced, or complex.

e.g. I would like to thank them for allowing me todevelop their original idea...
我想感谢他们允许我深入完善他们最初的想法。
e.g. This point is developed further at the end of this chapter...
这一点在本章结尾处有进一步阐释。

12.冲洗(胶片);使显影
Todevelop photographs means to make negatives or prints from a photographic film.

e.g. ...after developing one roll of film.
冲洗了一卷胶卷后

The child is developing normally.

这孩子发育正常。

The place has rapidly developed from a small fishing community into a thriving tourist resort.

这地方由原来的小渔村迅速发展成一个繁荣的旅游胜地。

She developed the company from nothing.

她白手起家办起了这个公司。

The company develops and markets new software.

这个公司开发并销售新软件。

Her son developed asthma when he was two.

她的儿子两岁时患了哮喘。

The car developed engine trouble and we had to stop.

汽车发动机出了故障，我们只好停车。

A crisis was rapidly developing in the Gulf.

海湾危机迅速加剧。

We need more time to see how things develop before we take action.

我们采取行动以前需要有更多时间观察情况的发展。

He's developed a real flair for management.

他在管理方面已经变得很有一套。

A huge row has developed about the pollution emanating from a chemical plant.

一家化工厂造成的污染已经引发了激烈争论。

...blood clots in his lungs, a problem which developed from a leg injury.

由腿伤引起的他肺部的血块

All countries, it was predicted, would develop and develop fast.

据预测，所有国家都会实现发展而且发展速度会很快。

She won a grant to develop her own business...

她赢得了一笔拨款，用以扩展自己的企业。

Over the last few years tourism here has developed considerably.

在过去几年里，这里的旅游业获得了相当大的发展。

Entrepreneurs developed fashionable restaurants and bars in the area.

实业家在这一地区建起了许多时尚的餐馆和酒吧。

...the cost of acquiring or developing property.

获得或开发地产的成本

She later developed a taste for expensive nightclubs...

她后来逐渐变得喜欢去消费高昂的夜总会。

Mr Robinson has developed the reputation of a ruthless cost-cutter.

大家都知道鲁宾逊先生在降低成本上毫不手软。

Now you have an opportunity to develop a greater understanding of each other...

现在你们有一个好机会，可以大大增进对彼此的了解。

...weekly workshops that are designed to develop acting and theatre skills...

为了提高表演和舞台技巧而设的每周一次的培训班

The test should identify which smokers are most prone to develop lung cancer...

这项检查应该可以确认哪些吸烟者更容易得肺癌。

A sharp ache developed in her back muscles.

她后背的肌肉疼得厉害。

The aircraft made an unscheduled landing after developing an electrical fault.

飞机由于发生电力故障而作了临时降落。

He claims that several countries have developed nuclear weapons secretly.

他声称有几个国家已经秘密研制出了核武器。

...a computer system specially developed for the Coastguard service.

专为海岸警卫队研发的计算机系统

I would like to thank them for allowing me to develop their original idea...

我想感谢他们允许我深入完善他们最初的想法。

This point is developed further at the end of this chapter...

这一点在本章结尾处有进一步阐释。

...after developing one roll of film.

冲洗了一卷胶卷后

It's hard to say at this stage how the market will develop...

在现阶段，很难说市场将会如何发展。

As children develop, some of the most important things they learn have to do with their sense of self...

在成长过程中，孩子学到的一些最重要的东西与他们的自我意识有关。

用作不及物动词S+～(+A)

1. Things develop.
   事物是发展的。
2. Animal husbandry on the grassland is developing rapidly.
   草原上的畜牧业在迅速发展。
3. This has made it necessary for agriculture and industry to develop very quickly.
   这就使得工农业必须飞速发展。
4. Cities grew rapidly, a large laboring class developed.
   城市在迅速发展,结果导致劳动大军的发展。
5. As production has developed, the living standard of the peasants has risen considerably.
   农民的生活水平随着生产力的发展而大大提高。
6. The relations of friendly cooperation between our two countries are developing satisfactorily.
   我们两国的友好合作关系正在令人满意地发展着。
7. The child is developing well.
   这孩子发育良好。

用作及物动词S+～+ n./pron.

1. We must do our best to develop the national economy.
   我们必须努力发展国民经济。
2. Some West European countries are developing their economy and trade with oil-producing countries.
   有些西欧国家正在和产油国发展经济和贸易关系。
3. By the end of the year the little seed and grain shop had developed its trade considerably.
   到年底,那个卖种子和粮食小店的生意有了相当大的发展。
4. The country wants to develop its traditional friendship with China.
   这个国家希望发展和中国的传统友谊。
5. Li Kuang Yao has again and again stressed the need for his tiny nation to develop its own Singaporean—as opposed to Chinese—identity.
   李光耀曾再三强调他的这个小国家需要发展它自己的新加坡人的特点,以有别于中国人。
6. They began to develop a new industrial site near the river.
   他们开始在那条河的附近开发一个新的工业区。
7. This engine develops 120-brake horse power.
   这台发动机产生120马力功率。
8. The labourers in Tibet developed the Tibetan plateau with their own labour and wisdom.
   西藏劳动人民曾以自己的劳动和智慧开发了西藏。
9. That knowledge developed his courage and self-confidence.
   这种认识增强了他的勇气和自信心。
10. We must provide good material for developing their reading skills.
    我们应提供好的阅读材料来培养他们的阅读能力。
11. He developed an interest in science.
    他养成了对科学的兴趣。
12. Hand in hand with reading, he had developed the habit of making notes.
    在读书的同时,他养成了做笔记的习惯。
13. The car has developed signs of rust.
    这辆汽车出现了锈迹。
14. He seems to be developing an illness.
    他似乎要生病了。
15. Can you develop this film for us?
    你能代我们冲洗这个胶卷吗?
1
16. Modern music was first developed in Italy.
    现代音乐最初是在意大利发展起来的。
17. A new method of fuel injection was developed during the war.
    一种新的注油方法在战争期间发展起来。
18. The industrial life of China is not yet highly developed.
    中国的工业目前还不十分发达。
19. I think these photographs will look nice when they're developed.
    我想这些相片洗出来一定很好看。

S+～+ n./pron. +to- v

1. We are developing nuclear weapons to do away with such weapons.
   我们发展核武器是为了消灭核武器。

It ～ed+that-clause

1. It developed that they had nowhere to sleep.
   很显然,他们没有地方睡觉了。
2. It soon developed that what she loved was not my person but my wealth.
   很显然,她爱的不是我的人而是我的钱。
3. It developed that neither one paid the bill.
   很显然,没人愿意付账。
4. It developed that he had another wife living and his indictment for bigamy followed.
   以后发现他又娶了一房妻室,接着是他被指控犯了重婚罪。
5. It soon developed that the meeting was a great success.
   不久就发现那次会议取得了很大的成果。

develop from (v.+prep.)

从…中长出来〔产生出〕,(使)由…发展成 grow from
develop from sth/v-ing

The whole idea developed from a casual remark.

整个想法都是从一句随便的话演变而来的。

A blossom develops from a bud.

花朵由花蕾长成。

This tall tree developed from a small seed.

这棵大树是从一粒小小的种子长成的。

A reduced standard of living will develop from increasing taxation and rising unemployment.

捐税的增长和失业人数的上升将会导致生活水平的降低。

develop sth from sth

develop the new from the old.

推陈出新。

We've developed the project from an original idea by Stephen.

我们根据斯蒂芬的设想制定了这个计划。

Most of the city's factories were developed from small shops.

这个城市的大多数工厂都是从小车间发展起来的。

The book has been developed from a short story.

这本书由一个短篇小说扩展而成。

develop into (v.+prep.)

(使)发展成,变成… (cause to) grow into
develop into sb/sth

Jane is developing into a fine figure of a young woman.

简正发育成一个身材苗条的女青年。

I hope his eldest son may develop into a good man.

我希望他的长子能成长为好人。

That school developed into a college.

那所中学发展成了一所大学。

The city has developed into a centre of industry.

这座城市已经发展成为一个工业中心。

A small seed can develop into a tall tree.

一粒小小的种子能长成一棵大树。

Our little boy's flu had developed into pneumonia.

我们小孩的流感已发展成肺炎了。

Unhappy experiences in childhood often develop into violent and criminal tendencies in a man.

童年时的不幸遭遇常常使一个人形成暴力和犯罪的倾向。

The argument developed into a bitter quarrel.

这场辩论逐渐变成了激烈的争吵。

develop itself into sth

This trifle developed itself into a serious problem.

这件小事已发展成一个很严重的问题。

～+名词

• develop%20a%20bad%20cough">develop a bad cough患有重感冒
• develop%20a%20character">develop a character研究特征
• develop%20a%20habit">develop a habit养成习惯
• develop%20a%20plan">develop a plan拟定一个计划
• develop%20a%20reasonable%20point%20of%20view">develop a reasonable point of view叙述合情合理的观点
• develop%20a%20side-occupation">develop a side-occupation发展副业
• develop%20a%20story">develop a story展开一个故事
• develop%20a%20taste">develop a taste培养爱好
• develop%20a%20taste%20for%20cooking">develop a taste for cooking渐渐爱好烹调
• develop%20a%20theory">develop a theory发展理论
• develop%20agriculture">develop agriculture发展农业
• develop%20an%20enormous%20appetite">develop an enormous appetite胃口特好
• develop%20an%20idea">develop an idea研究某种想法
• develop%20an%20illness">develop an illness患某种疾病
• develop%20an%20interest">develop an interest培养兴趣
• develop%20argument">develop argument展开讨论
• develop%20business">develop business发展商业
• develop%20capability">develop capability开发能力
• develop%20heat">develop heat产生热量
• develop%20industry">develop industry发展工业
• develop%20mind">develop mind开发智力
• develop%20modern%20science">develop modern science发展现代科学
• develop%20muscles">develop muscles使肌肉发育起来
• develop%20national%20economy">develop national economy发展国民经济
• develop%20nuclear%20weapons">develop nuclear weapons研制核武器
• develop%20photographs">develop photographs冲洗胶卷
• develop%20public%20library%20services">develop public library services开发公共图书馆业务
• develop%20reading%20skills">develop reading skills培养阅读技巧
• develop%20relations%20of%20friendship%20and%20cooperation">develop relations of friendship and cooperation发展友好合作关系
• develop%20self-confidence">develop self-confidence培养自信心
• develop%20technique">develop technique开发技术
• develop%20the%20democratic%20style%20of%20work">develop the democratic style of work发扬民主的工作作风
• develop%20the%20ideas%20of%20the%20first%20chapter">develop the ideas of the first chapter揭示第一章的构想
• develop%20the%20natural%20resources">develop the natural resources开发自然资源
• develop%20the%20same%20fault">develop the same fault犯有同样的毛病
• develop%20tourism">develop tourism发展旅游业
• develop%20weakness">develop weakness显露弱点

名词+～

• develop">country develop国家发展
• develop">problem develop问题发展
• develop">business develop事业发展
• develop">difficulty develop困难增大

～+副词

• develop%20first">develop first优先发展
• develop%20advantageously">develop advantageously有利地发展
• develop%20arduously">develop arduously艰难地发展
• develop%20ceaselessly">develop ceaselessly不断地发展
• develop%20considerably">develop considerably相当大地发展
• develop%20gradually">develop gradually逐渐地发展
• develop%20intellectually">develop intellectually明确地发展
• develop%20partially">develop partially局部地发展
• develop%20rapidly">develop rapidly迅速地发展
• develop%20satisfactorily">develop satisfactorily令人满意地发展
• develop%20slowly">develop slowly缓慢地发展
• develop%20vigorously">develop vigorously蓬勃地发展

～+介词

• develop%20at%20a%20faster%20speed">develop at a faster speed以较快的速度发展
• develop%20by%20leaps%20and%20bounds">develop by leaps and bounds跳跃式发展
• develop%20from">develop from由…发展成
• develop%20in%20depth%20and%20breadth">develop in depth and breadth向深度和广度发展
• develop%20in%20the%20direction%20of_2E_2E_2E">develop in the direction of...向…方向发展
• develop%20into%20a%20disease">develop into a disease发展成为一种疾病
• develop%20into%20a%20good%20leader">develop into a good leader发展成为优秀的领导者
• develop%20into%20a%20good%20man">develop into a good man发展成为一个男子汉
• develop%20into%20a%20heated%20discussion">develop into a heated discussion发展成为激烈的讨论
• develop%20into%20a%20large%20and%20flourishing%20industry">develop into a large and flourishing industry发展成为大而繁荣的产业
• develop%20into%20an%20oak">develop into an oak长成一株橡树
• develop%20into%20friendship">develop into friendship发展友谊
• develop%20into%20one%20of%20the%20greatest%20ports%20in%20the%20world">develop into one of the greatest ports in the world发展成为世界最大的港口之一
• develop%20into%20the%20%E2%80%9Creal%20thing%E2%80%9D">develop into the “real thing”成为“真家伙”
• develop%20into%20wisdom">develop into wisdom发展成为智慧
• develop%20through%20several%20stages">develop through several stages通过几个阶段发展
• develop%20to%20a%20certain%20level">develop to a certain level发展到某个水平
• develop%20to%20a%20considerable%20extent">develop to a considerable extent有很大程度地发展
• develop%20to%20a%20high%20degree">develop to a high degree发展到很高的程度
• develop%20with">develop with在…中发展

• In the Banyan tree adventitious roots are frequently developed on the outstretched woody branches.

  出自：A. Henfrey

• Expounding and developing the doctrines in a series of books.

  出自：R. G. Collingwood

• Teach them whatever you like, so long as it develops their character.

  出自：D. Cusack

• She had in recent years developed a most alarming habit.

  出自：G. Vidal

• The thick muscular legs were developed in his teens by sixty-eight-kilometre weekend cycle rides.

  出自：L. Deighton

• The Greeks had been slow to develop advanced siege equipment.

  出自：R. L. Fox

• In Kashmir the girl had developed dysentery.

  出自：R. P. Jhabvala

• You have to..develop the skill through constant practice.

  出自：G. Boycott

进修

A：I want todevelop some (practical/ useful/ advanced) skills.
我想拓展一些（实用/有用/高级）技能。

B：That’s great .it will help you in your career.
太好了。这对你的事业会有帮助的。

求职面试

B：What leadership qualities did youdevelop as an administrative personnel？
作为行政人员，你有什么样的领导才能？

A：I feel that learning how to motivate people and to work together as a team will be the major goal of my leadership./I have refined my management style by using an open-door policy.
我觉得学习如何把人们的积极性调动起来，以及如何配合协同的团队精神，是我行政工作的主要目标。/我以开放式的政策，改进我的行政管理方式。

B：How do you normally handle criticism？
你通常如何处理別人的批评？

A：Silence is golden. Just don't say anything; otherwise the situation could become worse. I do, however, accept constructive criticism. /When we cool off, we will discuss it later.
沈默是金。不必说什么，否则情况更糟，不过我会接受建设性的批评。/我会等大家冷靜下来再讨论。

Night class-(上夜课)

develop

A：Where are you going?
你去哪里？

B：It’s Tuesday today. I always go to my class on Tuesday night.
今天是星期二。我星期二晚上通常要去上课。

A：I didn’t know you were taking any kind of class. Tell me about it.
我可没听说你要上什么课。跟我说说。

develop的解释

B：Well, I’m learning how to use math in the business environment.
哦，我在学习如何在商务中应用到数学。

A：What for?
学这个有什么用呢？

B：The job market is so competitive nowadays. I want todevelop some useful skills.
现在人才市场竞争激烈。我想拓展一些有用的技能。

A：I really admire you for that. How is it going?
真是佩服你。（课）进展如何？

B：It’s going all right. I’m learning some things for the first time, but I’m also brushing up on some things that I already know.
一切顺利。我在学习一些新东西。同时也在温习一些已经学过的知识技能。

v.(动词)

1. develop的基本意思是“发展”,可指某物自然地或人为地、逐渐地、有秩序地显现展开,强调其进程缓慢复杂; 也可指自身(理论、想法)发展的结果。
2. develop用于指有生命的东西时,可指其达到适当或可能的完善,也指其特征发挥其所有潜力。develop有时还可指“详细地,按顺序地阐述”。
3. develop可用作及物动词,也可用作不及物动词。用作及物动词时,后接名词或代词作宾语。可用于被动结构。
4. 在美国口语中常使用“It developed that-clause”结构,意思是“显然…; …显露出来”,也可表示“以后发现…”。

v.(动词)

develop, age, mature, mellow, ripen

这组词的共同含义是“成熟,长成”。其区别是：

mature不仅指身体上,也指精神、智力方面“成熟”; age则侧重“变老,老化”,可指人,也可指物; develop意为“生长,成长”,可指局部的,也可指整体的变化; mellow则指水果成熟、酒酿成,也可指人因年龄的增长,经验的积累而变得老练成熟; 而ripen的意思是“使…成熟”,着重指无生命的东西。

mature，ripen，age，develop

这些动词均有“成熟、长成”之意。

mature指生物自然发育成熟或丰满或使其能起正常作用，还可指人获得智慧、经验或变得世故。

ripen侧重已到生长成熟的顶点。

age一般指使人过早成熟，强调已走向衰老。

develop侧重使某一种类或个体潜在本能进化完全，词义比mature广泛。

v.(动词)

我们必须尽早培养孩子读书的习惯。

误 We must develop in children's reading habits as early as possible.

正 We must develop children's reading habits as early as possible.

析 作“养成,开发”解时develop是及物动词,直接接宾语而无须借助介词。

• ☆ 17世纪50年代进入英语，直接源自法语的developper；最初源自古法语的desveloper：des (解除，放开） + veloper (包裹），意为解开包裹。